Karl Felber, DO
NPI 1275618498 · Family Medicine Physician · Pawtucket, RI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Felber, DO is a Family Medicine Physician provider in Pawtucket, RI (NPI 1275618498).
Provider details
- NPI number
- 1275618498
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- D000412 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
159 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $92 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 36 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 35 | $129 |
| X-Ray of Chest, 2 Views71046 | 22 | $34 |
| Automated Urinalysis Test81003 | 17 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 37 | 34 |
| Ibuprofen | 25 | 17 |
| Azithromycin | 20 | 20 |
| Meloxicam | 19 | 16 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 14 | 14 |
| Doxycycline Monohydrate | 12 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2017-04-07
Frequently asked questions
- What is Karl Felber's NPI number?
- Karl Felber's National Provider Identifier (NPI) is 1275618498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Felber's specialty?
- Karl Felber is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Felber located?
- Karl Felber's practice location on file with NPPES is 209 Armistice Blvd, Pawtucket, RI 02860.
- What is Karl Felber's phone number?
- The practice phone number listed in the NPPES registry for Karl Felber is (401) 725-4100.
- Does Karl Felber accept Medicare?
- Karl Felber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Felber's NPI active?
- Yes — Karl Felber's NPI (1275618498) is active in the NPPES registry as of the last update on 2017-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.